build(deps): bump pytest-cov from 4.1.0 to 5.0.0 in /requirements (#246)

Bumps [pytest-cov](https://github.com/pytest-dev/pytest-cov) from 4.1.0 to 5.0.0.
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](pytest-dev/pytest-cov@v4.1.0...v5.0.0)

---
updated-dependencies:
- dependency-name: pytest-cov
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

requirements/_tests.txt

@@ -2,5 +2,5 @@ coverage ==7.2.7; python_version < '3.8'
 coverage ==7.4.4; python_version >= '3.8'
 pytest ==7.4.3; python_version < '3.8'
 pytest ==8.1.1; python_version >= '3.8'
-pytest-cov ==4.1.0
+pytest-cov ==5.0.0
 pytest-timeout ==2.3.1